commit

backend/error_screenshot.py

@@ -38,6 +38,20 @@ async def save_error_screenshot(
         return None
     
     try:
+        # 检查页面状态
+        try:
+            current_url = page.url
+            print(f"[错误截图] 当前URL: {current_url}", file=sys.stderr)
+            
+            # 检查是否是空白页
+            if current_url in ['about:blank', '', 'data:,']:
+                print(f"[错误截图] 警告: 当前页面为空白页，截图可能没有内容", file=sys.stderr)
+            
+            # 等待页面稳定
+            await page.wait_for_load_state('domcontentloaded', timeout=3000)
+        except Exception as state_error:
+            print(f"[错误截图] 检查页面状态失败: {str(state_error)}", file=sys.stderr)
+        
         # 生成文件名：年月日时分秒_错误类型.png
         timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
         
@@ -52,11 +66,21 @@ async def save_error_screenshot(
         
         filepath = SCREENSHOT_DIR / filename
         
-        # 截图
-        await page.screenshot(path=str(filepath), full_page=True)
+        # 截图（添加超时和全页截图）
+        await page.screenshot(
+            path=str(filepath), 
+            full_page=True,
+            timeout=10000  # 10秒超时
+        )
+        
+        # 检查截图文件大小
+        file_size = filepath.stat().st_size
+        print(f"[错误截图] 已保存: {filepath} (大小: {file_size} bytes)", file=sys.stderr)
+        
+        # 如果文件太小（小于5KB），可能是空白截图
+        if file_size < 5120:
+            print(f"[错误截图] 警告: 截图文件过小 ({file_size} bytes)，可能为空白页面", file=sys.stderr)
         
-        # 打印日志
-        print(f"[错误截图] 已保存: {filepath}", file=sys.stderr)
         if error_message:
             print(f"[错误截图] 错误信息: {error_message}", file=sys.stderr)
         
@@ -115,6 +139,19 @@ async def save_screenshot_with_html(
         return None, None
     
     try:
+        # 检查页面状态
+        try:
+            current_url = page.url
+            print(f"[错误截图] 当前URL: {current_url}", file=sys.stderr)
+            
+            if current_url in ['about:blank', '', 'data:,']:
+                print(f"[错误截图] 警告: 当前页面为空白页", file=sys.stderr)
+            
+            # 等待页面稳定
+            await page.wait_for_load_state('domcontentloaded', timeout=3000)
+        except Exception as state_error:
+            print(f"[错误截图] 检查页面状态失败: {str(state_error)}", file=sys.stderr)
+        
         # 生成文件名
         timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
         safe_error_type = "".join(c for c in error_type if c.isalnum() or c in ('_', '-'))
@@ -126,7 +163,16 @@ async def save_screenshot_with_html(
         
         # 保存截图
         screenshot_path = SCREENSHOT_DIR / f"{base_filename}.png"
-        await page.screenshot(path=str(screenshot_path), full_page=True)
+        await page.screenshot(
+            path=str(screenshot_path), 
+            full_page=True,
+            timeout=10000
+        )
+        
+        # 检查截图文件大小
+        screenshot_size = screenshot_path.stat().st_size
+        if screenshot_size < 5120:
+            print(f"[错误截图] 警告: 截图文件过小 ({screenshot_size} bytes)", file=sys.stderr)
         
         # 保存HTML
         html_path = SCREENSHOT_DIR / f"{base_filename}.html"
@@ -134,8 +180,9 @@ async def save_screenshot_with_html(
         with open(html_path, 'w', encoding='utf-8') as f:
             f.write(html_content)
         
-        print(f"[错误截图] 已保存截图: {screenshot_path}", file=sys.stderr)
-        print(f"[错误截图] 已保存HTML: {html_path}", file=sys.stderr)
+        html_size = html_path.stat().st_size
+        print(f"[错误截图] 已保存截图: {screenshot_path} ({screenshot_size} bytes)", file=sys.stderr)
+        print(f"[错误截图] 已保存HTML: {html_path} ({html_size} bytes)", file=sys.stderr)
         if error_message:
             print(f"[错误截图] 错误信息: {error_message}", file=sys.stderr)